19306000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 120

約数和(自身を含む): 54579096

約数和(自身を除く): 35273096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 197, 200, 245, 250, 280, 350, 392, 394, 400, 490, 500, 560, 700, 784, 788, 875, 980, 985, 1000, 1225, 1379, 1400, 1576, 1750, 1960, 1970, 2000, 2450, 2758, 2800, 3152, 3500, 3920, 3940, 4900, 4925, 5516, 6125, 6895, 7000, 7880, 9653, 9800, 9850, 11032, 12250, 13790, 14000, 15760, 19306, 19600, 19700, 22064, 24500, 24625, 27580, 34475, 38612, 39400, 48265, 49000, 49250, 55160, 68950, 77224, 78800, 96530, 98000, 98500, 110320, 137900, 154448, 172375, 193060, 197000, 241325, 275800, 344750, 386120, 394000, 482650, 551600, 689500, 772240, 965300, 1206625, 1379000, 1930600, 2413250, 2758000, 3861200, 4826500, 9653000, 19306000]

約数ペア:

[(1, 19306000), (2, 9653000), (4, 4826500), (5, 3861200), (7, 2758000), (8, 2413250), (10, 1930600), (14, 1379000), (16, 1206625), (20, 965300), (25, 772240), (28, 689500), (35, 551600), (40, 482650), (49, 394000), (50, 386120), (56, 344750), (70, 275800), (80, 241325), (98, 197000), (100, 193060), (112, 172375), (125, 154448), (140, 137900), (175, 110320), (196, 98500), (197, 98000), (200, 96530), (245, 78800), (250, 77224), (280, 68950), (350, 55160), (392, 49250), (394, 49000), (400, 48265), (490, 39400), (500, 38612), (560, 34475), (700, 27580), (784, 24625), (788, 24500), (875, 22064), (980, 19700), (985, 19600), (1000, 19306), (1225, 15760), (1379, 14000), (1400, 13790), (1576, 12250), (1750, 11032), (1960, 9850), (1970, 9800), (2000, 9653), (2450, 7880), (2758, 7000), (2800, 6895), (3152, 6125), (3500, 5516), (3920, 4925), (3940, 4900)]